[ INFO ]category: Behavioral · Onsite difficulty: average freq: first seen: 2023-05-13
[AVERAGE][ONSITE]OnsiteSWE II (Mid-Level)Unknown
$catproblem.md
I applied through Zoom's career page and received an email from a recruiter after three days for an online assessment.
Round 1: Online Assessment
10 Multiple Choice Questions
2 Code Review Questions
1 Coding Question: Arrange all the even numbers on the left and all the odd numbers on the right side of an array.
Round 2: Coding Interview
Level: Easy
The interviewer asked five questions:
Create a custom hashmap.
Caesar Cipher
2.1 Write code to encrypt/decrypt lowercase English characters.
2.2 Modify the existing method to accept uppercase and lowercase English characters. All other characters should remain the same.
Valid parentheses.
Factory pattern.
Singleton class without using synchronized.
Round 3: System Design
Level: Hard
High-Level Design Question: Design a scalable, fault-tolerant system for a social media platform that can handle millions of users concurrently. Consider the architecture, data storage, load balancing, and security aspects of the system.